Wastewater testing has so much potential, for various viruses.
Cruise ships should probably get regualr testing for early warning
if their procedures to keep Nonovirus etc to low levels is working.
https://www.forbes.com/sites/ariannajohnson/2023/07/13/norovirus-cases-on-cruise-ships-skyrocket-heres-why-and-how-to-avoid-getting-sick/?sh=f6c86441f2ed
What drugs in what proportions are being used in which suburbs for public health initiatives.
Wastewater testing from America shows the new infection cycle running through there.
As for reported cases, its down to 'canaries in the coalmine', Medical and various essential works.
Aged care is being hit repeatedly, so you have to do testing and tighter infection control,
and it has consequences as I understand.
With limited space and the many shared spaces in aged care, and 'very' limited staff.
Getting antivirals to be sure as you are older, have a minor other conditions that could be worsened,
cancer treatment, or most other operations etc.